CN116248958A - Screen flaw processing method and storage medium - Google Patents
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- H—ELECTRICITY
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- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
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- H04N21/440263—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44213—Monitoring of end-user related data
- H04N21/44218—Detecting physical presence or behaviour of the user, e.g. using sensors to detect if the user is leaving the room or changes his face expression during a TV program
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Abstract
The application relates to the technical field of LED screens, in particular to a screen flaw processing method and a storage medium, wherein the method comprises the following steps: acquiring screen flaw point information; generating a screen processing initial scheme according to the screen flaw information; acquiring information of a viewer in front of a screen; generating a corresponding first influence variable value according to the information of the watching personnel; acquiring environment information of a screen; generating a corresponding second influence variable value according to the environment information; judging whether the screen processing initial scheme needs to be adjusted according to the first influence variable value and the second influence variable value; if so, adjusting the primary screen processing scheme according to the screen flaw information, the first influence variable value and the second influence variable value to generate a corresponding final screen processing scheme; if not, taking the initial screen processing scheme as a final screen processing scheme; and generating screen processing instructions and/or maintenance instructions according to the screen processing terminal scheme. The present application has the effect of better handling the detected screen blemish.
Description
Technical Field
The application relates to the technical field of LED screens, in particular to a screen flaw processing method and a storage medium.
Background
The LED screen is electronic throwing equipment used for playing videos, throwing text information and the like indoors and outdoors, and has more purposes of beautifying, guiding, advertising and the like.
LEDs are classified into a single color and a multi-color, where a single color refers to pixels in an LED screen where only one color exists, and a multi-color refers to pixels in an LED screen where multiple colors exist, and commonly used multi-color LEDs include RGB (red, green, blue) and RGBW (red, green, blue, white) pixels.
When the LED screen is put into use, a portion of the pixels are often damaged due to internal circuit reasons or external reasons and cannot be lightened, and when the number or the position of the damaged pixels are more or more important, the visual experience of viewers is affected.
In the related art, a means of manual inspection and image inspection is generally adopted to detect flaws of a screen, wherein the manual inspection is to enable an LED screen to display pictures with the same color and to perform gradual inspection through human eyes, the method is good in limitation and high in working strength, meanwhile damage to human eyes is high, and the means of image inspection also exist.
In the related art, when a flaw is found, a more reasonable processing method is not generally available, if the flaw is found on the screen, a maintainer is sent to the related screen for maintenance, that is, the real-time scene of screen playing is not considered in the related art, and the maintainer is sent to maintain as long as the flaw is found, and the content displayed on the screen can not be checked by the viewer during maintenance.
Disclosure of Invention
In order to better process the detected screen flaw, the present application provides a screen flaw processing method and a storage medium.
In a first aspect, the present application provides a method for processing a screen defect, which adopts the following technical scheme:
a screen defect processing method, comprising the steps of:
acquiring screen flaw information, wherein the screen flaw information at least comprises flaw positions, flaw number and screen flaw types;
generating a screen processing initial scheme according to the screen flaw information;
the method comprises the steps of acquiring viewer information in front of a screen, wherein the viewer information at least comprises the number of viewers, the positions of the viewers, the dynamic activities of the viewers and the like;
Generating a corresponding first influence variable value according to the viewer information, wherein the first influence variable value is characterized by the potential influence degree of the viewer information on a screen processing initial scheme;
acquiring environment information of a screen, wherein the environment information at least comprises function information of the screen, current time, activity information of the screen and the like;
generating a corresponding second influence variable value according to the environment information, wherein the second influence variable value is characterized by the potential influence degree of the environment information on the primary screen processing scheme;
judging whether the screen processing initial scheme needs to be adjusted according to the first influence variable value and the second influence variable value;
if so, adjusting the initial screen processing scheme according to the screen flaw information, the first influence variable value and the second influence variable value to generate a corresponding final screen processing scheme;
if not, taking the initial screen processing scheme as a final screen processing scheme;
and generating a screen processing instruction and/or a maintenance instruction according to the screen processing terminal scheme.
In some embodiments, the method further comprises the following steps before generating the initial screen processing scheme according to the screen flaw information:
Judging whether the number of the screen defects is larger than a preset number;
if the number of the screen defects is smaller than the preset number, judging the discrete degree among the screen defects, wherein the discrete degree is characterized by the discrete degree among the screen defects;
if the degree of dispersion is high, the screen flaw is not treated;
if the degree of dispersion is low, generating the primary screen processing scheme;
and if the number of the screen defects is greater than the preset number, generating the initial screen processing scheme.
In some of these embodiments, generating a screen handling initial plan from the screen flaw information, comprising the steps of;
acquiring the positions of all the screen defects;
partitioning a screen according to a preset screen partitioning rule to obtain a middle area and a plurality of edge areas;
acquiring the number of the screen defects in the middle area and the number of the screen defects in each edge area;
if the screen defects are located in the edge area or the number of the screen defects located in the edge area is larger than that of the screen defects located in the middle area, and the difference is larger than a preset value;
closing all pixel points or displaying text information of the edge area where the screen flaw point is located, and adjusting the overall proportion of display contents to match with the remaining display area in the screen and displaying;
If the screen defects are located in the middle area or the number of the screen defects located in the middle area is larger than the number of the screen defects located in the edge area and the difference is larger than a preset value, a maintenance instruction is generated.
In some embodiments, if the screen blemishes are located in the edge area or the number of edge areas is greater than the number of intermediate areas and the difference is greater than a predetermined value, the method further comprises:
judging whether the screen flaw is in a coincident region in an adjacent edge region;
and if the screen flaw point is in the overlapping area, comparing the display areas of the two edge areas corresponding to the overlapping area, and selecting the edge area with smaller display area to close all pixel points or display text information.
In some of these embodiments, the screen flaw type includes a flaw-point brightness anomaly, and the screen treatment initial plan is generated according to the screen flaw information, and further includes the following steps:
acquiring brightness value information of the screen flaw;
acquiring brightness information of a plurality of screen normal points adjacent to the screen flaw point, and acquiring normal brightness average value information according to the brightness information of the plurality of screen normal points;
calculating a brightness difference according to the brightness value information of the screen flaw and the normal brightness average value information;
And adjusting the brightness of all pixel points in the screen according to the brightness difference.
In some of these embodiments, if the brightness of the plurality of screen blemishes is different, then the steps of:
acquiring brightness value information of all the screen defects;
obtaining a median value in a plurality of brightness value information;
judging whether the median value is larger than a preset limit brightness;
if the brightness difference is larger than the normal brightness average value, calculating according to the median value and the normal brightness average value to obtain the brightness difference;
if the brightness value is smaller than the median value, discarding all brightness value information with the median value and brightness lower than the median value, selecting the rest brightness value information, and repeating the steps until the median value is larger than the preset limit brightness.
In some of these embodiments, the screen flaw type includes a screen flaw color loss, and generating a screen treatment primary scheme according to the screen flaw information, further including the steps of:
acquiring the missing color information of the screen flaw;
obtaining combined missing color information according to the missing color information of the screen flaw, wherein the combined missing color information is characterized by a mixed color formed by combining and lighting the missing color with other color pixels;
Acquiring all display color information on the position of the screen flaw, wherein the display color information is characterized by the color of a certain pixel point to appear in all the time of displaying;
acquiring the number of missing colors which are contained in the display color information and are the same as the missing color information of the screen flaw point and the associated missing color information;
judging whether the number of the missing colors is larger than a preset value or not;
if the number is larger than the preset number, generating a maintenance instruction;
in some of these embodiments, generating a corresponding first influencing variable value from the viewer information comprises:
if the number of the viewers in front of the screen is larger, the first influence variable value is larger, otherwise, the first influence variable value is smaller;
if the position of the viewer in front of the screen is less discrete, the first influence variable value is larger, otherwise, the first influence variable value is smaller;
if the dynamic activities of the viewers in front of the screen are more frequent, the first influence variable value is smaller, and conversely, the first influence variable value is larger;
generating a corresponding second influence variable value according to the environment information, including:
judging whether the position of the screen belongs to a preset important position or not, wherein the important position is characterized by a position with larger flow of people such as business circles, squares and scenic spots, if so, the second influence variable value is larger, and if not, the second influence variable value is smaller;
Judging whether the current time is in a preset important time period or a non-important time period, if so, the second influence variable value is larger, and if not, the second influence variable value is smaller;
judging whether external activities exist at the position of the screen, wherein the external activities are characterized by personnel activities such as exhibition, celebration, sightseeing, teaching and the like, if the external activities exist, the second influence variable value is larger, and if the external activities do not exist, the second influence variable value is smaller.
In some embodiments, determining whether the screen processing initial scheme needs to be adjusted according to the first influence variable value and the second influence variable value includes:
when the initial screen processing scheme is a screen processing instruction;
judging whether the first influence variable value is larger than a preset value or not;
if the screen processing instruction is larger than the preset threshold, the screen processing instruction is kept;
if the second influence variable value is smaller than the preset value, judging whether the second influence variable value is larger than the preset value or not;
if the screen processing instruction is larger than the emergency maintenance instruction, the screen processing instruction is adjusted to be kept;
if the screen processing instruction is smaller than the preset maintenance instruction, the screen processing instruction is adjusted to be a suspension maintenance instruction;
Adjusting the screen processing instruction to be a maintenance instruction;
when the primary scheme of screen processing is a maintenance instruction;
judging whether the first influence variable value is larger than a preset value or not;
if the maintenance instruction is larger than the screen processing instruction, the maintenance instruction is adjusted to be a screen processing instruction;
if the second influence variable value is smaller than the preset value, judging whether the second influence variable value is larger than the preset value or not;
if the command is larger than the first preset value, the command is adjusted to be an emergency maintenance command and a screen processing command;
if the maintenance command is smaller than the preset maintenance command, the maintenance command is adjusted to be suspended.
In a second aspect, the present application provides a computer storage medium, which adopts the following technical scheme:
a computer storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the screen imperfection processing method described above.
In summary, the present application includes the following beneficial technical effects:
when the defect occurs to the screen, the rationalization treatment of the defect point can be realized by dynamically combining two treatment methods of brightness adjustment, display area adjustment and the like on the screen and personnel dispatching maintenance, the influence of watching personnel and the screen environment is simultaneously considered during the treatment, the rationality and the multidimensional property of the treatment scheme selection are improved, the situation that the maintenance personnel are dispatched for maintenance due to the occurrence of the defect of the screen in the related technology is avoided, the influence on the watching experience of the watching personnel during the maintenance is reduced, and the workload of the maintenance personnel is also reduced.
Drawings
FIG. 1 is a schematic overall flow diagram of an embodiment of the present application;
FIG. 2 is a schematic view of a division of a screen in an embodiment of the present application;
fig. 3 is a schematic diagram of a judgment for adjusting a screen processing initial scheme according to a first influence variable value and a second influence variable value in an embodiment of the present application.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-3.
The embodiment of the application discloses a screen flaw processing method, and it should be noted that an operation main body of the screen flaw processing method may be a cloud platform end or a local server, where the cloud platform end or the local server has functions of acquiring data in the screen flaw processing method and executing steps of the screen flaw processing method, different modules may be designed according to actual situations for detection, sensing, processing and response of the cloud platform end or the local server, and a service person may develop and store the modules in the cloud platform end or the local server according to unused service scenes, service instructions and service contents, so that different modules may be matched to implement the screen flaw processing method, and the cloud platform end or the local server in the above examples is an execution end under a common scene or an ideal scene, and may also select other applicable execution ends according to actual situations.
As shown in fig. 1, a screen defect processing method includes the following steps:
s100, screen flaw point information is obtained.
The screen blemish point information includes the location, number, type, etc. of blemishes. Methods of acquiring blemishes may include image contrast, interpolation detection, and voltage detection.
Image contrast method: and shooting images on a screen through camera equipment and the like according to a certain time interval, and comparing the images with preset normal images. For example, when the video on the screen is played for 3 minutes and 10 seconds, the camera shoots the image on the screen, and the image is compared with the image on the screen for 3 minutes and 10 seconds under normal conditions, so that the position, the number, the type and the like of the flaw are judged.
Since one screen contains a very large number of pixels, the method of flaw detection by the image comparison method has a large workload for a computer, and if there are only a few sporadic flaws, the resolution error may be large due to the compression of the image quality after shooting by the camera.
And (3) frame extraction detection method: because each pixel point on the LED plays corresponding content is essentially an LED lamp bead, the LED lamp bead flashes at a high speed when being lightened, and the number of times of flashing in 1s can reach 30 to 120. Therefore, according to the stroboscopic characteristic of the LED, a full white picture can be inserted between two frames of pictures when the LED plays the video, and the picture between each frame of pictures can not be seen by human eyes when the LED screen plays the video, so that the insertion of the full white picture can not generate visual images for viewers. And shooting the screen by a high-speed camera, and judging whether a flaw exists according to the full-white picture after the full-white picture is shot.
Since the RGB type LED outputs white by simultaneously lighting the three color beads to mix the white, when one or more color beads in one pixel cannot be lighted, the pixel cannot output white, so that the defective point outputs other colors in the white picture.
Voltage detection method: when the lamp beads in a certain pixel point are damaged, the voltage on the pixel point can be different from the voltage of other pixel points which work normally, so that the defect point can be obtained by detecting the voltage of each pixel point.
In the embodiment of the application, the screen is shot by the shooting equipment, and the screen flaw point information is acquired by combining an image contrast method and a frame insertion detection method.
S200, generating a screen processing initial scheme according to the screen flaw information.
A treatment scheme for the blemish is preliminarily obtained according to the number, position and type of the blemish on the screen, and the treatment scheme comprises adjustment of display of the screen, sending of maintenance information to allow maintenance personnel to maintain, temporary failure to treat the blemish, and the like.
Specifically, the method comprises the following steps:
s210, judging whether the number of screen blemishes is larger than a preset number;
s211, judging the discrete degree among the screen blemishes if the number of the screen blemishes is smaller than the preset number.
If the degree of dispersion is high, the screen flaw is not treated at once in S212.
S213, if the degree of dispersion is low, generating a screen processing initial scheme.
And S214, if the number of the screen defects is greater than the preset number, generating a screen processing initial scheme.
Firstly judging the number of flaw points on the screen, and if the number of flaw points on the screen is smaller, judging the discrete degree among a plurality of flaw points. The degree of dispersion is characterized by the degree of dispersion between several screen blemishes, the higher the degree of dispersion, the more dispersed between several blemishes, and the lower the degree of dispersion, the more concentrated the blemishes.
When several blemishes are concentrated, the blemishes may affect a display area, because several blemishes may be gathered into a blemish block, which may greatly affect the viewing experience of a viewer, and at this time, a corresponding initial screen processing scheme may be generated, and the display area of the screen may be selected for processing or maintenance.
When the defect points with few numbers are scattered, the few independent small defect points are not related to each other, so that black points or points with different colors are possibly only appeared at the positions in the screen, the whole screen is not greatly influenced, and the watching experience of watching staff is not influenced, so that a screen processing scheme can be temporarily not generated under the condition, and the influence caused by the small defect points on the screen is larger than that caused by the operation of changing the display area, shutting down maintenance and the like due to the defect points.
When the number of blemishes is large, it is not necessary to determine the degree of dispersion between blemishes, and because of the large number of blemishes, both dispersion and concentration can affect the viewing experience of viewers. Therefore, when the number of the flaw points is large, a corresponding screen processing method is generated.
The preset number can be modified and adjusted correspondingly according to the size of the screen, the resolution of the screen and the historical display data.
Further, the method also comprises the following steps:
s220, acquiring the positions of all screen blemishes.
S221, partitioning the screen according to a preset screen partitioning rule to obtain a middle area and a plurality of edge areas.
As shown in fig. 2, the screen division rule includes: firstly, screen information of a screen is acquired, the shape of the screen is judged according to the screen information, and the existence of a plurality of edges in the screen is judged according to the shape of the screen, wherein each edge corresponds to an edge area. And taking any one side as a starting point, moving a preset distance to a screen in the direction perpendicular to the side to obtain a point position, drawing a straight line parallel to the side by taking the point position as a reference, and taking the intersection point between the straight line and two sides adjacent to the side as an end point to form a closed space.
Taking a rectangular screen as an example, if the length of the rectangular screen is 50 and the width is 30, the edge area corresponding to the long side may be a rectangle with the length of 50 and the short length of 5, and the four sides are respectively the long side of the screen, the side of the long side after being translated, and the two sides are respectively the width part length of the screen.
For the special-shaped screen, the adopted division rule is the same as that of a normal rectangular screen, and a plurality of edges are correspondingly present.
After the edge area is divided, the remaining area of the screen is automatically classified as the middle area. The edge region represents the edge of the screen, where the focus is low for the user's line of sight, while the middle region represents the center of the screen, where the focus is high for the user, and is also the location where the larger portion of the display is concentrated.
S222, the number of screen blemishes in the middle area and the number of screen blemishes in the edge areas are obtained.
The number of flaw points in the middle area and the number of flaw points in each edge area are counted respectively.
S223, if the screen flaw points are all located in the edge area or the number of the screen flaw points located in the edge area is larger than the number of the screen flaw points located in the middle area and the difference value is larger than a preset value, all pixel points or display text information of the edge area where the screen flaw points are located are closed, and the whole proportion of display contents is adjusted to be matched with the remaining display area in the screen and displayed.
If all or most of the screen defects are in the edge area, it is indicated that most of the defects are in an area with low visual impact to the viewer, and the corresponding screen processing scheme can be selected for processing.
The method specifically comprises the following steps: and judging the positions of the edge areas where all or most of the screen defects are located, and selecting to close the LED pixel points of one or more edge areas, properly reducing the proportion of the original display content and displaying the display content in the rest screen display areas.
For example, as shown in fig. 2, the screen is 50×30, there are a large number of defect points in the edge area (50×5) corresponding to the upper edge and the edge area (5×30) corresponding to the left edge, at this time, the two edge areas are closed, only 45×25 display areas exist in the closed screen, and the display content is reduced to 45×25 and played.
Besides closing the display of the edge area, some text contents, rolling captions and other modes can be displayed on the edge area, compared with videos and images, the contents of the captions and the texts have smaller attraction to viewers, the text information display area is smaller, and the influence of screen defects on the display can be effectively reduced.
By the method, when the screen defect is located at the edge of the screen, the screen defect is not needed to be repaired immediately, but most of the defect is avoided by adjusting the display area, the watching experience of the watching staff is only changed in the display area, the influence of the watching staff is smaller than that of the watching staff needing to close the screen during repair, the working intensity of the maintainer is reduced, and the maintenance can be performed later or when the watching staff is less.
S224, if the screen defects are located in the middle area or the number of the screen defects located in the middle area is larger than the number of the screen defects located in the edge area and the difference is larger than a preset value, a maintenance instruction is generated.
If the screen blemishes are located in the middle area or in the middle area, the viewing experience of the viewer is greatly affected, and more people may watch the display content of the blemishes in the main area of the screen with the lapse of time, so that maintenance instructions are sent to perform maintenance as soon as possible in order to reduce the influence.
If the number of screen defects in the middle area and the edge area is similar, then in this case, it can be understood that the effect in the middle area must be greater than that in the edge area on the premise that the number of screen defects in the two areas is identical, so that the difference value is not required to be calculated at this time, only the need of judging whether the number of screen defects in the middle area is so large that the viewing experience is affected is required, if the number is large, a maintenance instruction is issued, and if the number is small, any treatment can be omitted, because at this time, the effect can be temporarily ignored regardless of whether the number of screen defects in the edge area or the middle area is small.
Further, if the screen defects are located in the edge area or the number of the screen defects located in the edge area is greater than the number of the screen defects located in the middle area and the difference is greater than the preset value, the method further includes:
s2231, determines if the screen flaw is in the overlapping area in the adjacent edge area.
S2232, if the pixel points are in the overlapping area, comparing the display areas of the two edge areas corresponding to the overlapping area, and selecting the edge area with smaller display area to close all the pixel points or display text information.
For example, a rectangular screen, where four corners of the screen are located in overlapping areas between two adjacent edge areas, for example, when the width of the edge area is 5, the four corners of the rectangular screen are located in overlapping areas of 5*5, the screen defect located in the overlapping area can be essentially considered to be in any one of the two adjacent edge areas, while the adjacent edge areas in the rectangular screen are necessarily a long side and a short side, and the display areas of the two edge areas are different, so that in order to reduce the influence of the display text information in the closed edge area or the edge area on the viewing experience, an edge area with a smaller display area is selected, and thus the remaining normal display area is relatively larger.
The screen blemish type includes blemish lighting anomalies, and in other embodiments, a screen handling initial plan is generated from the screen blemish information, further comprising the steps of:
s230, brightness value information of the screen flaw is acquired.
S231, acquiring brightness information of a plurality of normal points of the screen adjacent to the screen flaw point, and acquiring normal brightness average value information according to the brightness information of the normal points of the screen.
S232, calculating the brightness difference according to the brightness value information of the screen flaw and the normal brightness average value information.
S233, adjusting the brightness of all pixel points in the screen according to the brightness difference.
Typically, a 5000CD/m2 screen would have a brightness of 2CD per pixel for a 2500 dot density per square. If the individual lamp beads in the pixel are damaged, the brightness of the pixel becomes low, and the abnormal brightness of the pixel is less likely to be high.
If the problem of the screen flaw is brightness abnormality, firstly acquiring the brightness value of the screen flaw, acquiring the brightness value of a normal point adjacent to the screen flaw, and carrying out average calculation on the brightness values of the normal points to calculate normal brightness average information.
The reason why the selection from the normal points adjacent to the screen flaw is made is that the display contents in different areas are often different in the contents displayed on one screen, which results in different brightness in different areas, and one single pixel point is extremely small in size for the whole screen, so that if the adjacent normal points are selected from the periphery of the screen flaw, the pixel points with extremely high probability are all located in one area and output the same color and brightness, which is more convenient for comparing and extracting brightness values in the above steps.
The mean value is selected because if a point difference exists among several normal points, the difference can be reduced by the mean value, so that the whole brightness of the screen can be close to the brightness of the screen defect as much as possible when the brightness is adjusted later.
For example, the brightness of a screen flaw is 1.3CD, the brightness of surrounding normal points is 1.8, 1.7, 1.8 respectively, the average value is 1.75CD, the difference is 0.45CD, and then all pixels except the flaw in the screen are reduced by 0.45CD, so that the brightness of the whole screen is reduced to be close to the brightness of the screen flaw.
Therefore, in the case that the brightness of some defects is low, the maintenance instruction is not sent, and the influence caused by the defects on the screen is reduced by a method of adjusting the brightness of the screen.
Further, if the brightness of the plurality of screen blemishes is different, the method comprises the following steps:
s234, brightness value information of all screen blemishes is acquired.
S235, obtaining the median value in the plurality of brightness value information.
S236, judging whether the median value is larger than the preset limit brightness.
And S237, if the brightness difference is larger than the preset value, calculating according to the median value and the normal brightness average value to obtain the brightness difference.
S238, if the brightness value is smaller than the median value, discarding all brightness value information with the median value and brightness lower than the median value, selecting the rest brightness value information, and repeating the steps until the median value is larger than the preset limit brightness.
If there are multiple screen defects and the brightness of the multiple screen defects are different, selecting a median value of brightness of all the screen defects, dividing a plurality of brightness into two parts by the median value, presetting limiting brightness to refer to limiting brightness which does not influence the watching experience of a viewer when the screen is displayed, if the limiting brightness is lower than the brightness, the screen is too dark, the watching experience is poor, if the median value is higher than the brightness, the steps of S231-S233 are carried out according to the median value, if the median value is lower than the brightness, the brightness represented by the selected median value is indicated to influence the watching experience, so the median value and all the brightness lower than the median value are discarded, and the median value is selected from the rest brightness values again, and the steps are repeated.
Finally, the following may occur: the repeatedly selected median is smaller than the limit brightness value, and only 1 or 2 brightnesses are left at last, the median cannot be selected, at this time, the numerical value with the largest brightness value can be directly selected for comparison, if the numerical value is smaller than the limit brightness value, a maintenance instruction is entered, and if the numerical value is larger than the limit brightness value, the steps of S231-S233 are carried out through the brightnesses.
The median value is chosen to ensure that the effect caused by at least half of the screen defects can be reduced by adjusting the brightness of the full screen, and the average value is not chosen because if most of the screen defects cannot be lightened, the brightness at that time is 0, and the value obtained by calculating the average value is necessarily lower, so that the brightness of the full screen is reduced to very dark brightness, and the screen adjustment scheme has no meaning.
The screen blemish type also includes blemish color loss, and in other embodiments, the following steps:
s240, obtaining the missing color information of the screen flaw point.
S241, obtaining combined missing color information according to the missing color information of the screen flaw.
S242, acquiring all display color information on the positions of the screen blemishes.
S243, obtaining the number of missing colors which are contained in all the display color information and are the same as the missing color information of the screen flaw point and the associated missing color information.
S244, judging whether the number of the missing colors is larger than a preset value, if so, generating a maintenance instruction, and if not, temporarily generating no maintenance instruction.
The known LED screen is composed of pixel points formed by lamp beads with three colors of red, green and blue, the lamp beads with the three colors are independently lightened and combined to display different colors, when any one or more lamp beads are damaged, the pixel point correspondingly cannot output the single color of the lamp bead and the mixed color formed by combining the lamp bead and other lamp beads, for example, when the red lamp bead is damaged, the pixel point cannot output colors of red, yellow, orange, beige, white and the like which are related to the red in three primary colors.
All display color information on the screen blemish is obtained, which is characterized by all colors that a pixel will appear on at all times during which the display is made. For example, in a video, N1 reds, N2 yellows, N3 sky blues, etc. are required to be displayed on a screen flaw.
Judging how many colors are in the display color information, which are the same as the missing color information of the screen flaw point and the associated missing color information, namely calculating how much display information in the video cannot be displayed by the screen flaw, if the number is larger than a preset value, indicating that the influence is larger, and if the number is smaller than the preset value, indicating that the influence is smaller.
Further, the missing color does not necessarily mean that one or some of the beads cannot be lighted, but may be that the brightness of the individual beads is low, for example, when white is displayed, the output brightness of each bead is: the output brightness of each green lamp bead is that: red 127, green 255, blue 0, that is, if the output brightness of a certain lamp bead is low, a part of color is missing, which is also applicable to the above method.
It should be noted that when the above-mentioned different types of screen defects appear in the screen, the initial screen processing scheme is not necessarily generated according to the above-mentioned processing scheme, and further scheme formulation may be performed according to the combination of each scenario, for example, more normal color defects need to be sent out to repair instructions, but if the screen defects are all located in the edge area, the screen defects can still be avoided by the screen processing method, so that the selection criteria of the specific initial screen processing scheme can be adaptively adjusted according to actual input use.
S300, acquiring the information of the viewers in front of the screen, and generating corresponding first influence variable values according to the information of the viewers.
The first influencing variable value is characterized as the potential influence degree of the information of the viewer on the primary screen processing scheme, the larger the first influencing variable value is, the larger the influence of the information of the viewer on the primary screen processing scheme is, the perfection or adjustment of the primary screen processing scheme is needed, the smaller the first influencing variable value is, the smaller the influence of the information of the viewer on the primary screen processing scheme is, and the primary screen processing scheme can be temporarily not adjusted.
The viewer information includes the number of viewers, the location of the viewers, the dynamic activity of the viewers, the body orientation of the viewers, etc., and is acquired by the associated camera module.
Specifically, the method comprises the following steps:
s310, if the number of viewers in front of the screen is large, the first influence variable value is larger, and conversely, the first influence variable value is smaller.
S320, if the position of the viewer in front of the screen is less discrete, the first influencing variable value is larger, and vice versa.
S330, if the viewers in front of the screen dynamically move more frequently, the first influencing variable value is smaller, and conversely, the first influencing variable value is larger.
If the number of the watched people is large, the aggregation degree of the watched people is high, and the dynamic activities of the watched people are small, the watching degree of the screen contents of the people can be described to be high, at the moment, the influence of different screen processing schemes on the watched people is large, and otherwise, the influence degree is small.
If the number of people in front of the screen is large and the activities are not frequent, the possibility that the people stand to watch the screen is high, and if maintenance personnel repair the screen before, the personnel cannot watch the screen during the period of maintenance of the screen; when there are few people in the screen and the dynamic activities of these people are frequent, it can be considered that these people pass in front of the screen, the effect is relatively small.
S400, acquiring the environment information of the screen, and generating a corresponding second influence variable value according to the environment information.
The second influencing variable value is characterized as the potential influencing degree of the environment information on the primary screen processing scheme, the larger the second influencing variable value is, the larger the influence of the environment where the screen is located on the primary screen processing scheme is, the improvement or adjustment is needed to be carried out on the primary screen processing scheme, the smaller the second influencing variable value is, the smaller the influence of the environment where the screen is located on the primary screen processing scheme is, and the primary screen processing scheme can be temporarily not adjusted.
The environment information at least comprises function information of the position of the screen, current time, activity information of the position of the screen and the like. The function information refers to municipal functions such as business circles, schools, squares, scenic spots, streets and the like, which are played by the screen. The activity information of the screen location refers to the activity of the screen location, such as celebration, visiting, performing, etc., and the activity information is informed to the control party of the screen by the relevant activity party in advance, and the control party can store and upload the activity level into the computer, and set the activity level of the screen in a time period when the activity is held.
Specifically, the method comprises the following steps:
s410, judging whether the position of the screen belongs to a preset important position, if so, the second influence variable value is larger, and if not, the second influence variable value is smaller.
Important locations include places where the amount of people's browsing in business circles, squares, scenic spots, etc. is large, and if the screen is at such places, the potential number of people watching is large, because the places keep high traffic all the time, and the content in the screen is often important information associated with such places, such as guiding videos in scenic spots, moving introduction in squares, advertisement placement in business circles, etc., in these important scenes, the influence on the correct processing of the screen is relatively large, while on the screen placed in daily places such as streets, pedestrians watch only during walking and driving, and do not stop going to watch for a long time, so the relative potential influence is small.
S420, judging whether the current time is in a preset important time period or a non-important time period, if so, the second influence variable value is larger, and if not, the second influence variable value is smaller.
The important time period depends on the time that the traffic of people corresponding to the position of the screen is high, for example, the important time of scenic spots is 9:00-18:00, the important time of business circles is 11:00-21: the important time of 00 squares is 17:00-22:00, etc., during which the screen is in or potentially in a high volume context, which results in a large potential impact variable, and non-significant time is generally at 24:00 to the next day 6:00, there are no more people indoors and outdoors, so the potential influencing variables are smaller.
S430, judging whether the external activity exists at the position of the screen, if so, the second influence variable value is larger, and if not, the second influence variable value is smaller.
External activities are characterized by activities of personnel such as exhibition, sightseeing, teaching and the like, when activities exist, the activities indicate that the flow of people is high or the potential flow of people is high, which leads to the potential influencing variables to be high, and when no activities exist, the relative potential influencing variables to be low.
S500, judging whether the screen processing initial scheme needs to be adjusted according to the first influence variable value and the second influence variable value.
S600, if necessary, adjusting a screen processing initial scheme according to the screen flaw information, the first influence variable value and the second influence variable value to generate a corresponding screen processing seed method; if not, the initial scheme of screen processing is taken as the final scheme of screen processing.
And S700, generating a screen processing instruction and/or a maintenance instruction according to the screen processing terminal scheme.
As shown in fig. 3, the method specifically includes:
when the initial screen processing scheme is a screen processing instruction:
s710, judging whether the first influencing variable value is larger than a preset value.
S711, if yes, the screen processing instruction is kept, and if no, whether the second influence variable value is larger than a preset value is judged.
S712, if the screen processing instruction is larger than the first instruction, the screen processing instruction is adjusted to be a screen processing instruction and an emergency maintenance instruction; and if the screen processing instruction is smaller than the maintenance instruction, adjusting the screen processing instruction to be a suspension maintenance instruction.
When the primary scheme of screen processing is a maintenance instruction:
s720, judging whether the first influence variable value is larger than a preset value.
And S721, if the second influence variable value is larger than the preset value, the maintenance instruction is adjusted to be a screen processing instruction, and if the second influence variable value is smaller than the preset value, the second influence variable value is judged.
And S722, if the command is larger than the first preset value, adjusting the command to be an emergency maintenance command and a screen processing command.
If the maintenance instruction is smaller than S723, the maintenance instruction is adjusted to be suspended.
When the initial scheme of screen processing is a screen processing instruction, that is, when the screen processing is performed by reducing brightness, adjusting display size and the like, if the screen processing is performed by a large number of people and is dense, the screen processing is maintained because the influence of closing the screen during maintenance is larger than the influence of operations of reducing brightness, adjusting display size and the like, if the number of people is small and the people are scattered, whether the place where the screen is located belongs to important places such as business circles, squares and the like or not needs to be judged again, and if the place belongs to important places or is at the peak period of 6 th night, although no people exist before the screen, a large number of people can see the screen in a short time with quite high probability, so that an emergency maintenance instruction needs to be sent when the screen processing instruction is maintained, so that maintenance staff can arrive at the scene as soon as possible, and the influence caused by screen defects is minimized.
If the site is not in an important area and the primary scheme is a screen processing instruction, the influence of the flaw point on the current screen on the watching personnel can be solved through screen processing, and the screen processing instruction can be adjusted to be a suspension maintenance instruction in the situation, wherein the suspension maintenance instruction is characterized in that the maintenance personnel can temporarily not maintain the screen, so that the current display mode of the screen is maintained.
When the screen processing instruction is a maintenance instruction, if the first influencing variable value is larger, that is, when the number of the watched persons is larger, in order to avoid that the watched persons with larger number cannot see the display content, the maintenance instruction in the primary scheme can be adjusted to the screen processing instruction, so that the watching influence of the watched persons is reduced, if the watched persons are fewer, whether the position of the screen is at an important place, an important event, a holding activity and the like is required to be further judged, if the watched persons are at the important place or are at the important event, an emergency maintenance instruction is sent out, and the screen processing instruction is sent out, so that the influence of the current watched persons is reduced, the influence that the watched persons with high personnel flow possibly exist in the follow-up is avoided, and if the watched persons are not at the important place, are not at the important event and are not watched by the persons, the maintenance instruction can be adjusted to be suspended, so that the operator can maintain when the workload is less and free time exists.
By the method, when the defect occurs on the screen, reasonable treatment of the defect point is realized by dynamically combining two treatment methods of brightness adjustment, display area adjustment and the like on the screen and personnel dispatching maintenance, the influence of watching personnel and the screen environment is considered during treatment, the selected rationality and the multidimensional property of a treatment scheme are improved, the condition that maintenance personnel are dispatched for maintenance due to the occurrence of the defect on the screen in the related art is avoided, the influence on the watching experience of the watching personnel during maintenance is reduced, and the workload of the maintenance personnel is also reduced.
The application also discloses a computer storage medium, on which a computer program is stored, which when executed by a processor implements the above-mentioned screen flaw processing method.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (10)
1. A screen imperfection processing method, comprising the steps of:
acquiring screen flaw information, wherein the screen flaw information at least comprises flaw positions, flaw number and screen flaw types;
generating a screen processing initial scheme according to the screen flaw information, wherein the screen processing initial scheme comprises a screen processing instruction and a maintenance instruction;
the method comprises the steps of acquiring viewer information in front of a screen, wherein the viewer information at least comprises the number of viewers, the positions of the viewers, the dynamic activities of the viewers and the like;
generating a corresponding first influence variable value according to the viewer information, wherein the first influence variable value is characterized by the potential influence degree of the viewer information on a screen processing initial scheme;
Acquiring environment information of a screen, wherein the environment information at least comprises function information of the screen, current time, activity information of the screen and the like;
generating a corresponding second influence variable value according to the environment information, wherein the second influence variable value is characterized by the potential influence degree of the environment information on the primary screen processing scheme;
judging whether the screen processing initial scheme needs to be adjusted according to the first influence variable value and the second influence variable value;
if so, adjusting the initial screen processing scheme according to the screen flaw information, the first influence variable value and the second influence variable value to generate a corresponding final screen processing scheme;
if not, taking the initial screen processing scheme as a final screen processing scheme;
and generating a screen processing instruction and/or a maintenance instruction according to the screen processing terminal scheme.
2. A screen imperfection processing method according to claim 1, wherein: the method further comprises the following steps before generating a screen processing initial scheme according to the screen flaw information:
judging whether the number of the screen defects is larger than a preset number;
if the number of the screen defects is smaller than the preset number, judging the discrete degree among the screen defects, wherein the discrete degree is characterized by the discrete degree among the screen defects;
If the degree of dispersion is high, the screen flaw is not treated;
if the degree of dispersion is low, generating the primary screen processing scheme;
and if the number of the screen defects is greater than the preset number, generating the initial screen processing scheme.
3. A screen imperfection processing method according to claim 2, wherein: generating a screen processing initial scheme according to the screen flaw information, wherein the screen processing initial scheme comprises the following steps of;
acquiring the positions of all the screen defects;
partitioning a screen according to a preset screen partitioning rule to obtain a middle area and a plurality of edge areas;
acquiring the number of the screen defects in the middle area and the number of the screen defects in each edge area;
if the screen defects are located in the edge area or the number of the screen defects located in the edge area is larger than that of the screen defects located in the middle area, and the difference is larger than a preset value;
closing all pixel points or displaying text information of the edge area where the screen flaw point is located, and adjusting the overall proportion of display contents to match with the remaining display area in the screen and displaying;
if the screen defects are located in the middle area or the number of the screen defects located in the middle area is larger than the number of the screen defects located in the edge area and the difference is larger than a preset value, a maintenance instruction is generated.
4. A screen imperfection processing method according to claim 3, wherein: if the screen flaw points are located in the edge area or the number of the screen flaw points located in the edge area is greater than the number of the screen flaw points located in the middle area and the difference is greater than a preset value, the method further comprises:
judging whether the screen flaw is in a coincident region in an adjacent edge region;
and if the screen flaw point is in the overlapping area, comparing the display areas of the two edge areas corresponding to the overlapping area, and selecting the edge area with smaller display area to close all pixel points or display text information.
5. A screen imperfection processing method according to claim 1, wherein: the screen flaw type comprises flaw point brightness abnormality, a screen processing initial scheme is generated according to the screen flaw information, and the method further comprises the following steps:
acquiring brightness value information of the screen flaw;
acquiring brightness information of a plurality of screen normal points adjacent to the screen flaw point, and acquiring normal brightness average value information according to the brightness information of the plurality of screen normal points;
calculating a brightness difference according to the brightness value information of the screen flaw and the normal brightness average value information;
And adjusting the brightness of all pixel points in the screen according to the brightness difference.
6. The method for processing a screen imperfection according to claim 5, wherein: if the brightness of the plurality of screen blemishes is different, the method comprises the following steps:
acquiring brightness value information of all the screen defects;
obtaining a median value in a plurality of brightness value information;
judging whether the median value is larger than a preset limit brightness;
if the brightness difference is larger than the normal brightness average value, calculating according to the median value and the normal brightness average value to obtain the brightness difference;
if the brightness value is smaller than the median value, discarding all brightness value information with the median value and brightness lower than the median value, selecting the rest brightness value information, and repeating the steps until the median value is larger than the preset limit brightness.
7. A screen imperfection processing method according to claim 1, wherein: the screen flaw type comprises screen flaw color missing, a screen treatment primary scheme is generated according to the screen flaw information, and the method further comprises the following steps:
acquiring the missing color information of the screen flaw;
obtaining combined missing color information according to the missing color information of the screen flaw, wherein the combined missing color information is characterized by a mixed color formed by combining and lighting the missing color with other color pixels;
Acquiring all display color information on the position of the screen flaw, wherein the display color information is characterized by the color of a certain pixel point to appear in all the time of displaying;
acquiring the number of missing colors which are contained in the display color information and are the same as the missing color information of the screen flaw point and the associated missing color information;
judging whether the number of the missing colors is larger than a preset value or not;
if the number is larger than the preset number, generating a maintenance instruction;
if the maintenance command is smaller than the preset value, the maintenance command is not generated temporarily.
8. A screen imperfection processing method according to claim 1, wherein:
generating a corresponding first influence variable value according to the viewer information, including:
if the number of the viewers in front of the screen is larger, the first influence variable value is larger, otherwise, the first influence variable value is smaller;
if the position of the viewer in front of the screen is less discrete, the first influence variable value is larger, otherwise, the first influence variable value is smaller;
if the dynamic activities of the viewers in front of the screen are more frequent, the first influence variable value is smaller, and conversely, the first influence variable value is larger;
generating a corresponding second influence variable value according to the environment information, including:
judging whether the position of the screen belongs to a preset important position or not, wherein the important position is characterized by a position with larger flow of people such as business circles, squares and scenic spots, if so, the second influence variable value is larger, and if not, the second influence variable value is smaller;
Judging whether the current time is in a preset important time period or a non-important time period, if so, the second influence variable value is larger, and if not, the second influence variable value is smaller;
judging whether external activities exist at the position of the screen, wherein the external activities are characterized by personnel activities such as exhibition, celebration, sightseeing, teaching and the like, if the external activities exist, the second influence variable value is larger, and if the external activities do not exist, the second influence variable value is smaller.
9. A screen imperfection processing method according to claim 1, wherein: judging whether the screen processing initial scheme needs to be adjusted according to the first influence variable value and the second influence variable value, wherein the method comprises the following steps:
when the initial screen processing scheme is a screen processing instruction;
judging whether the first influence variable value is larger than a preset value or not;
if the screen processing instruction is larger than the preset threshold, the screen processing instruction is kept;
if the second influence variable value is smaller than the preset value, judging whether the second influence variable value is larger than the preset value or not;
if the screen processing instruction is larger than the emergency maintenance instruction, the screen processing instruction is adjusted to be kept;
If the screen processing instruction is smaller than the preset maintenance instruction, the screen processing instruction is adjusted to be a suspension maintenance instruction;
adjusting the screen processing instruction to be a maintenance instruction;
when the primary scheme of screen processing is a maintenance instruction;
judging whether the first influence variable value is larger than a preset value or not;
if the maintenance instruction is larger than the screen processing instruction, the maintenance instruction is adjusted to be a screen processing instruction;
if the second influence variable value is smaller than the preset value, judging whether the second influence variable value is larger than the preset value or not;
if the command is larger than the first preset value, the command is adjusted to be an emergency maintenance command and a screen processing command;
if the maintenance command is smaller than the preset maintenance command, the maintenance command is adjusted to be suspended.
10. A computer storage medium having stored thereon a computer program, which when executed by a processor implements the screen imperfection processing method of any one of claims 1 to 9.
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